Q. Write notes on ASCII code .ASCII- 7 BIT, ASCII-8 BIT.
It is type of
computer code. It stand for American Standard Code for Information Interchange.
Its is use for internal data in Micro Computer.
Character data is
represented in a computer by using standardized numeric codes which have been
developed. The ASCII code associates an integer value for each symbol in
the character set, such as letters, digits, punctuation marks, special characters,
and control characters.
ASCII was developed
from telegraph code. Its first commercial use was as a
seven-bit teleprinter code promoted by Bell data services. Work on
the ASCII standard began on October 6, 1960, with the first meeting of
the American Standards Association's (ASA) (now the American National
Standards Institute or ANSI) X3.2 subcommittee.
Ø Its
is a character encoding standard for electronic communication.
ØOriginally
based on
the English alphabet, ASCII encodes 128 specified characters into seven-bit
integers .
ØIts
is a two type:
1.ASCII-7
It’s a Seven bit code system, that accepted
128 different type of character .
First three bit use for Zone bits(In
computer storage keep to record data into disk drive) and remaining four bit
represent to Digits.
2. ASCII-8
The Micro computer used to 8-bit to byte. Uses
duration 7-bit ASCII code add a Zero digit left side.
Figure of ASCII code table |
Comments
Post a Comment